... ExdBT4Spectrum 2*,4*,6,10,15,25,40,50,80,100,150,200,250,300mmSpecification ModelVIVO3011-NVIVO3011-AVIVO3011-BVIVO3011 ... : ISO; Optional: ANSI, DIN, JIS)Fluid Temperature-20°C~80°CAmbient Temperature-30°C~60°CFlow Range DiameterStandard Flow RangeExtended ... h10-160 m3/h20-400 m3/h DN100 (4")20-400 m3/h13-250 m3/h32-650 m3/h ... h80-1600 m3/h50-1000 m3/h DN200 (8")80-1600 m3/h50-1000 m3/h130-2500 m3/h ...